2142230231 has 16 divisors (see below), whose sum is σ = 2344992768. Its totient is φ = 1948195200.

The previous prime is 2142230227. The next prime is 2142230291. The reversal of 2142230231 is 1320322412.

It is a cyclic number.

It is not a de Polignac number, because 2142230231 - 2² = 2142230227 is a prime.

It is a super-2 number, since 2×2142230231² = 9178300725220626722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142230291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388826 + ... + 394296.

It is an arithmetic number, because the mean of its divisors is an integer number (146562048).

Almost surely, 2^2142230231 is an apocalyptic number.

2142230231 is a deficient number, since it is larger than the sum of its proper divisors (202762537).

2142230231 is a wasteful number, since it uses less digits than its factorization.

2142230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2142230231 is about 46284.2330713171. The cubic root of 2142230231 is about 1289.1062517100.

Adding to 2142230231 its reverse (1320322412), we get a palindrome (3462552643).

The spelling of 2142230231 in words is "two billion, one hundred forty-two million, two hundred thirty thousand, two hundred thirty-one".